70211109 has 16 divisors (see below), whose sum is σ = 95639552. Its totient is φ = 45804528.

The previous prime is 70211093. The next prime is 70211143. The reversal of 70211109 is 90111207.

It is not a de Polignac number, because 70211109 - 2⁴ = 70211093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70211179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31692 + ... + 33834.

It is an arithmetic number, because the mean of its divisors is an integer number (5977472).

Almost surely, 2^70211109 is an apocalyptic number.

It is an amenable number.

70211109 is a deficient number, since it is larger than the sum of its proper divisors (25428443).

70211109 is a wasteful number, since it uses less digits than its factorization.

70211109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2376.

The product of its (nonzero) digits is 126, while the sum is 21.

The square root of 70211109 is about 8379.2069433807. The cubic root of 70211109 is about 412.5424191455.

It can be divided in two parts, 702 and 11109, that added together give a palindrome (11811).

The spelling of 70211109 in words is "seventy million, two hundred eleven thousand, one hundred nine".